Sequences and Series

Section: Mathematics

Question : 13 of 22

Marks: +1, -0

Let a,b,c be positive integers such that

is an integer.If a,b,c are in geometric progression and the arithmetic mean of a,b,c is b+2,then the value of

a2+a−14

a+1

is _________

[JEE Adv 2014 P1]

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